Packt Publishing | Learn to Write Functional Javascript

Functional Programming in context that matters for web developersLearn how the functional style can help you code better starting todayExperience and practice the critical concepts required to master functional programming

Functional programming has been around for decades, but it only overtook the JavaScript community in recent years. The impact is undeniable and yet with all the material available it still isn’t always easy to grok.This course delivers the building blocks of the functional paradigm in a way that makes sense to JavaScript developers. Animated visualizations help explain difficult concepts such as higher-order functions, lenses and persistent data, partial application and currying and then write code so you understand concepts before trying to apply the knowledge them.

Many functional programming videos leave students feeling as if they just learned something that can’t quite be useful, but in Foundations of Functional Programming you’ll build stateless UI components and implement your own higher-order functions that integrate them with JSX and virtual-dom using no frameworks, just functional programming and modern JavaScript.

Table of ContentsChapter 1 : Understanding Foundations of Functional Programming The Course Overview The Unbreakable Function Thinking of Functions in Terms of Their Return Values How to Identify and Encapsulate Impurities within Our ProgramsChapter 2 : Abstracting Language Constructs with Higher-Order Functions Promoting Reusability with Higher-Order Functions Replacing Loops with Higher-Order Functions A Better Way to Map and Filter Reasoning with Reduce Rendering UI Components with Higher-Order FunctionsChapter 3 : Partial Application and Currying What Partial Application and Curry Mean? Improving Higher-Order Functions with Partial Application Writing a Utility to Curry Functions Combining Map, Filter, and Reduce with Curried FunctionsChapter 4 : Working with Data and Stateless Components Understanding Mutable and Immutable Data Simplifying Immutability Using Lenses Rendering Our Data into the DOM Using JSX and Virtual-DOM for Readability and Performance

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